Process for producing diene rubbers polymerised by means of...

Details Process for producing diene rubbers polymerised by means of... Process for producing diene rubbers polymerised by means of...

C - Chemistry, Metallurgy

08

F

C08F 4/52 (2006.01) C08C 19/20 (2006.01) C08F 10/00 (2006.01) C08F 36/00 (2006.01) C08F 36/04 (2006.01)

Patent

CA 2160090

The production of diene rubbers polymerised by means of Nd catalysts and having reduced cold flow and low intrinsic odour is effected by the polymerisation of diolefines adiabatically at temperatures of -20 to 150°C in the presence of inert organic solvents and in the presence of metallo-organic mixed catalysts based on neodymium carboxylate, by subsequently depressurising the reaction mixture obtained in this manner by reducing the pressure, and by treating the reaction mixture thereafter with disulphur dichloride, sulphur dichloride and/or thionyl chloride.

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